Certain oxoalkyldimethylxanthines

ABSTRACT

((W-1)-OXOALKYL)-3,7-DIMETHYLXANTHINES IN WHICH THE OXOALKYL HAS FROM 4 TO 7 CARBON ATOMS AND 7-((W-1)OXOALKYL)-1,3-DIMETHYLXANTHINES IN WHICH THE OXOALKYL HAS FROM 5 TO 8 CARBON ATOMS, WHILE THE KETO GROUP IS SEPARATED FROM THE XANTHINE NUCLEUS BY AT LEAST TWO CARBON ATOMS. THESE COMPOUNDS HAVE A MARKED VASO-DILATORY EFFECT WITH A LOW TOXICITY.



